SX1211I084TRT(2007) Ver la hoja de datos (PDF) - Semtech Corporation
Número de pieza
componentes Descripción
Fabricante
SX1211I084TRT
(Rev.:2007)
(Rev.:2007)
Semtech Corporation
SX1211I084TRT Datasheet PDF : 73 Pages
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ADVANCED COMMUNICATIONS & SENSING
SX1211
2.4.4. Receiver
Table 8: Receiver Specification
Symbol
Description
Conditions
Min
Typ
Max
869 MHz, BR=25 kb/s,
Fdev =50 kHz, fc=100 kHz
-
-104
-
RFS_F
Sensitivity (FSK)
869 MHz, BR=66.7 kb/s,
Fdev=100 kHz, fc=200 kHz
-
-100
-
915 MHz, BR=25 kb/s,
Fdev=50 kHz, fc=100 kHz
-
-102
-
915 MHz, BR = 66.7 kb/s,
Fdev=100 kHz, fc=200 kHz
-
-98
-
869 MHz, 2kb/s NRZ
fc=50 kHz, fo=50 kHz
-
-110
-
RFS_O
Sensitivity (OOK)
869 MHz, 16.7 kb/s NRZ
fc=100 kHz, fo=100 kHz
915 MHz, 2kb/s NRZ
fc=50 kHz, fo=50 kHz
-
-102
-
-
-108
-
915 MHz, 16.7 kb/s NRZ
fc=100 kHz, fo=100 kHz
-
-102
-
CCR
Co-channel rejection
-
-12
-
Offset = 600 kHz, same
modulation as wanted
-
42
-
signal
Offset = 300 kHz, same
ACR
Adjacent channel rejection modulation as wanted
-
24
-
signal
Offset = 1.2 MHz, same
modulation as wanted
-
57
-
signal
Offset = 1 MHz,
unmodulated
-
53
-
BI
Blocking immunity
Offset = 2 MHz,
unmodulated, no SAW
-
-37
-
Offset = 10 MHz,
unmodulated, no SAW
-
-33
-
RXBW_F
Receiver bandwidth in FSK Single side BW
mode
Polyphase Off
50
-
250
RXBW_O
IIP3
Receiver bandwidth in OOK
mode
Input 3rd order intercept
point
Single side BW
Polyphase On
Interferers at 1MHz and
1.950 MHz offset
50
-
400
-
-28
-
TS_RE
Receiver wake-up time
From FS to Rx ready
-
280
500
TS_RE2
Receiver wake-up time
From Stby to Rx ready
-
600
900
TS_RSSI
RSSI sampling time
From Rx ready
-
-
1/Fdev
Notes:
fc and fo describe the bandwidth of the active channel filters as described in section 3.4.4.2
All sensitivities are measured receiving a PN15 sequence, for a BER of 0.1%
Unit
dBm
dBm
dBm
dBm
dBm
dBm
dBm
dBm
dBc
dBc
dBc
dBc
dBc
dBm
dBm
kHz
kHz
dBm
µs
µs
s
V3.0 – august 15th, 2007
Page 10 of 73
www.semtech.com
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